Interface; Control I/O Function; Interface Circuit - AND Check Weighing Indicator AD-4404 Instruction Manual

9. 9. 9. 9. Int Int Int

Interface

9.1.

9.1. Control I/O Function

9.1. 9.1. Control I/O Function Control I/O Function Control I/O Function
The control I/O is the interface to communicate system status and sequence
commands between the indicator and peripherals.
Input terminals ...................11 lines that can be selected by the function
Output terminals ................11 lines that can be selected by the function
Preset the functions to these terminals. Refer to "11. Function List".
[Function] - [Set function] - [Control I/O]
Caution
Do not assign the same function to multiple terminals of the control I/O and OP-05.
9.1.1. 9.1.1.

Interface Circuit

Interface Circuit
9.1.1. 9.1.1. Interface Circuit Interface Circuit
Input terminal
Input open voltage
Input drive current
Saturation tolerance voltage
Output terminal
Output voltage
Output current
Saturation tolerance voltage
DC 8 ~ 14V
Max. 5 mA
Interface circuit in
the indicator
Max. 50 mA
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The output terminals use open collector transistors
Maximum
14V DC
5 mA
2 V DC
Maximum
40 V DC
50 mA
1.5 V at 50 mA
A1 ~ A 11
Input terminal
A12
Input common terminal
B1 ~ B 11
Output terminal
Vsat < 1.5 V at 50 mA
B12
Output common terminal
Page 74
typ.
10 V DC
3 mA
It is recommend that you use :
Mechanical switch or
or
open collector transistor.
Vsat < 2 V
Max. 40V DC
or
It is recommend that you use :
Mechanical relay with surge diode or
photo coupler.
Use a surge clamping diode to protect
the solenoid or relay from noise.